Home / 2,859.86-4,274.57-2,486.66

Finding the Fourth Proportional to 2,859.86, 4,274.57 and 2,486.66

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Solution

The fourth proportional to 2,859.86, 4,274.57 and 2,486.66 is: 3,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.86 : 4,274.57 = 2,486.66 : x
  2. Step 2: Convert to fraction form
    2,859.86/4,274.57 = 2,486.66/x
  3. Step 3: Cross multiply
    2,859.86x = 4,274.57 × 2,486.66
  4. Step 4: Simplify right side
    2,859.86x = 10,629,368.43
  5. Step 5: Solve for x
    x = 10,629,368.43/2,859.86
  6. Step 6: Final answer
    x = 3,716.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.